: Navigate to Settings > Security and toggle on "Install Unknown Apps" for your browser.
Troubleshooting
If the app crashes immediately upon boot, the APK variant you downloaded likely conflicts with your device’s specific processor architecture (e.g., trying to run an x86 build on an ARM64 phone). Download a "universal" variant or use a hardware checking app to verify your chipset type before downloading a replacement file.
Other reliable alternatives, particularly for specific versions required for FRP bypass. Download Steps: Navigate to a reputable APK site. Search for "Google Account Manager 8.9.10". Download the .apk file to your device or computer. How to Install Google Account Manager 8.9.10